Home / 47,893,375.20-71,840,062.80-20,612,737.20

Finding the Fourth Proportional to 47,893,375.20, 71,840,062.80 and 20,612,737.20

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Solution

The fourth proportional to 47,893,375.20, 71,840,062.80 and 20,612,737.20 is: 30,919,105.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,893,375.20 : 71,840,062.80 = 20,612,737.20 : x
  2. Step 2: Convert to fraction form
    47,893,375.20/71,840,062.80 = 20,612,737.20/x
  3. Step 3: Cross multiply
    47,893,375.20x = 71,840,062.80 × 20,612,737.20
  4. Step 4: Simplify right side
    47,893,375.20x = 1,480,820,334,927,896
  5. Step 5: Solve for x
    x = 1,480,820,334,927,896/47,893,375.20
  6. Step 6: Final answer
    x = 30,919,105.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.